Film cotton fertilization and weeding question and answer
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Answer: The application of chicken manure as base fertilizer must pay attention to the following points: First, chicken manure should be fully decomposed; second, it should be applied before the film cover; third, the application rate per mu should not be less than 1500 kg; fourth, because chicken manure contains A certain number of weed seeds should be guarded against weeds.
Q: Do you still need to apply other fertilizers when applying chicken manure?
A: It is necessary to apply inorganic fertilizer after applying chicken manure. Generally, 30 kg of compound fertilizer with a high content of 30 kg or 50 to 60 kg of compound fertilizer with a content of about 25% should be applied per mu, and 10 to 15 kg of potassium fertilizer should be applied. In this way, organic fertilizer and inorganic fertilizer can be combined, and delayed fertilizer and quick-acting fertilizer can be combined.
Q: When is the herbicide applied?
A: The application time is usually before the cotton is sown or before the cotton is sown. However, it should be noted that the cotton field must be sufficient, and only the herbicide can fully penetrate into the soil tillage layer to improve the herbicidal effect.
Q: Which herbicides should I apply?
A: Lasso, Dole is a selective pre-amide herbicide that can be applied before cotton is planted. It can be used after the emergence of cotton or weeds.